Lights
NOTE: Windows 7 keyboard shown.
Component Description
(1)
Power light ● On: The computer is on.
●
Blinking: The computer is in the Sleep state.
●
Off: The computer is off or in Hibernation.
(2)
Microphone mute light
●
On: Microphone is off.
● Amber: Microphone is on.
(3) Num lock light On: Num lock is on.
(4)
Wireless light ● White: An integrated wireless device, such as a
wireless local area network (WLAN) device and/or a
Bluetooth® device, is on.
● Amber: All wireless devices are off.
(5)
Mute light
●
Amber: Computer sound is off.
● Off: Computer sound is on.
(6) Caps lock light On: Caps lock is on.
(7) TouchPad light
●
Amber: The TouchPad is off.
● Off: The TouchPad is on.
10 Chapter 2 External component identification
